<!doctype html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
    <title>Bootstrap_HelloWorld</title>

    <!-- Bootstrap -->
    <link rel="stylesheet" href="css/bootstrap.min.css"
          integrity="sha384-HSMxcRTRxnN+Bdg0JdbxYKrThecOKuH5zCYotlSAcp1+c8xmyTe9GYg1l9a69psu" crossorigin="anonymous">

    <!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) -->
    <script src="js/jquery-3.2.1.min.js"
            integrity="sha384-nvAa0+6Qg9clwYCGGPpDQLVpLNn0fRaROjHqs13t4Ggj3Ez50XnGQqc/r8MhnRDZ"
            crossorigin="anonymous"></script>
    <!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
    <script src="js/bootstrap.min.js"
            integrity="sha384-aJ21OjlMXNL5UyIl/XNwTMqvzeRMZH2w8c5cRVpzpU8Y5bApTppSuUkhZXN0VxHd"
            crossorigin="anonymous"></script>
    <style>
        .inner {
            border: 2px solid green;
        }
    </style>
</head>
<body>
<!--定义容器-->
<div class="container-fluid">
    <div class="row">
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2  inner">栅格</div>
        <div class="col-lg-1 col-sm-2  inner">栅格</div>
        <div class="col-lg-1 col-sm-2  inner">栅格</div>
        <div class="col-lg-1 col-sm-2  inner">栅格</div>
        <div class="col-lg-1 col-sm-2  inner">栅格</div>
        <div class="col-lg-1 col-sm-2  inner">栅格</div>
        <div class="col-lg-1 col-sm-2  inner">栅格</div>
        <div class="col-lg-1 col-sm-2  inner">栅格</div>
        <div class="col-lg-1 col-sm-2  inner">栅格</div>
    </div>
</div>
<!--定义行-->
<!--定义元素-->


</body>
</html>